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public String getRemortIP(HttpServletRequest request) { if (request.getHeader("x-forwarded-for") == null) { return request.getRemoteAddr(); } return request.getHeader("x-forwarded-for"); }
原文：http://developer.51cto.com/art/201111/305181.htm
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原文地址：http://www.cnblogs.com/xiufengd/p/5829271.html
